To No. 583 of 19.04.1988
ASCENT RECORD
- Type of ascent: rock climbing.
- Area of ascent: Kuznetsky Alatau, Tigertysh Ridge.
- Peak "Bolshoi Zub" 2048 m above sea level. The route is a combination via the northern edge of the eastern ridge.
- Estimated category of difficulty: 2A category.
- Height difference — about 600 m.
- Pitons hammered in: rock pitons 3 pcs.
- Number of climbing hours: ascent 6 hours, descent 3 hours.
- No overnight stays are planned; the route is completed in 1 day.
- Group composition: Borozdenko Yuri Ivanovich — leader, 1st sports category, Romanov Alexander Valentinovich — 1st sports category, Abelyashev Vyacheslav Vitalyevich — 1st sports category, Izhboldin Alexey Borisovich — 1st sports category, Loginova Svetlana Gennadyevna — 1st sports category.
- Team coach — Chan-Syan Anatoly Vladimirovich — certification No. 1731.
- Date of departure and return — March 10, 1988

"Bolshoi Zub" via N edge of E ridge, 2A category (section R5–R11). 